[jira] [Commented] (IGNITE-14774) Add metrics for index pages loaded into memory

["Ignite TC Bot (Jira)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/IGNITE-14774?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17351633#comment-17351633 ] 

Ignite TC Bot commented on IGNITE-14774:
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{panel:title=Branch: [pull/9125/head] Base: [master] : No blockers found!|borderStyle=dashed|borderColor=#ccc|titleBGColor=#D6F7C1}{panel}
{panel:title=Branch: [pull/9125/head] Base: [master] : New Tests (14)|borderStyle=dashed|borderColor=#ccc|titleBGColor=#D6F7C1}
{color:#00008b}Cache 7{color} [[tests 7|https://ci.ignite.apache.org/viewLog.html?buildId=6022390]]
* {color:#013220}IgniteCacheWithIndexingAndPersistenceTestSuite: IndexPagesMetricsPersistentTest.testStoreAndDeleteCacheGrp[numCaches = 1] - PASSED{color}
* {color:#013220}IgniteCacheWithIndexingAndPersistenceTestSuite: IndexPagesMetricsPersistentTest.testStoreAndRemoveSomeEntries[numCaches = 3] - PASSED{color}
* {color:#013220}IgniteCacheWithIndexingAndPersistenceTestSuite: IndexPagesMetricsPersistentTest.testStoreAndRemoveSomeEntries[numCaches = 1] - PASSED{color}
* {color:#013220}IgniteCacheWithIndexingAndPersistenceTestSuite: IndexPagesMetricsPersistentTest.testStoreAndDeleteEntries[numCaches = 1] - PASSED{color}
* {color:#013220}IgniteCacheWithIndexingAndPersistenceTestSuite: IndexPagesMetricsPageDisplacementTest.testPageDisplacement - PASSED{color}
* {color:#013220}IgniteCacheWithIndexingAndPersistenceTestSuite: IndexPagesMetricsPersistentTest.testStoreAndDeleteEntries[numCaches = 3] - PASSED{color}
* {color:#013220}IgniteCacheWithIndexingAndPersistenceTestSuite: IndexPagesMetricsPersistentTest.testStoreAndDeleteCacheGrp[numCaches = 3] - PASSED{color}

{color:#00008b}Cache 5{color} [[tests 6|https://ci.ignite.apache.org/viewLog.html?buildId=6021326]]
* {color:#013220}IgniteCacheWithIndexingTestSuite: IndexPagesMetricsInMemoryTest.testStoreAndRemoveSomeEntries[numCaches = 1] - PASSED{color}
* {color:#013220}IgniteCacheWithIndexingTestSuite: IndexPagesMetricsInMemoryTest.testStoreAndDeleteEntries[numCaches = 1] - PASSED{color}
* {color:#013220}IgniteCacheWithIndexingTestSuite: IndexPagesMetricsInMemoryTest.testStoreAndDeleteEntries[numCaches = 3] - PASSED{color}
* {color:#013220}IgniteCacheWithIndexingTestSuite: IndexPagesMetricsInMemoryTest.testStoreAndDeleteCacheGrp[numCaches = 3] - PASSED{color}
* {color:#013220}IgniteCacheWithIndexingTestSuite: IndexPagesMetricsInMemoryTest.testStoreAndDeleteCacheGrp[numCaches = 1] - PASSED{color}
* {color:#013220}IgniteCacheWithIndexingTestSuite: IndexPagesMetricsInMemoryTest.testStoreAndRemoveSomeEntries[numCaches = 3] - PASSED{color}

{color:#00008b}Basic 1{color} [[tests 1|https://ci.ignite.apache.org/viewLog.html?buildId=6021306]]
* {color:#013220}IgniteBasicTestSuite: IntHashMapTest.testCopyConstructor - PASSED{color}

{panel}
[TeamCity *--> Run :: All* Results|https://ci.ignite.apache.org/viewLog.html?buildId=6021368&buildTypeId=IgniteTests24Java8_RunAll]

> Add metrics for index pages loaded into memory
> ----------------------------------------------
>
>                 Key: IGNITE-14774
>                 URL: https://issues.apache.org/jira/browse/IGNITE-14774
>             Project: Ignite
>          Issue Type: Improvement
>          Components: general
>    Affects Versions: 2.11
>            Reporter: Aleksandr Polovtcev
>            Assignee: Aleksandr Polovtcev
>            Priority: Minor
>             Fix For: 2.11
>
>          Time Spent: 10m
>  Remaining Estimate: 0h
>
> Expose the number of index pages currently loaded into memory on per-cache group and per-data region basis.
> h3. Implementation details
>  # PageMetrics - an aggregation of all page-related metrics. At the moment of writing, contains the total number of pages and the number of index pages.
>  # DataRegionMetricsImpl now contains page metrics related to every created cache group in a form of an immutable copy-on-write IntMap. It also contains an aggregation over these metrics that can be used as metrics for the whole data region.
>  # Index pages allocation is tracked through the PageIO#initNewPage method, which can later be used to track other kinds of pages.
>  # Index pages de-allocation is tracked in various places like replacing a page or adding it to a free list as I couldn’t find a single suitable place for this logic.



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